John C. Pottage Jr.

SVP and Chief Medical Officer, ACHILLION PHARMACEUTICALS INC.

Companies

Spero Therapeutics, Inc.Board member Sep 21, 2018 to now¹
PARDES BIOSCIENCES, INC.Board member Sep 16, 2022 to Aug 31, 2023²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Spero Therapeutics, Inc. SPRO85,000 shares³$96.9K at $1.14Jun 23, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Jun 23, 2026Granted 10,000 shares of Spero Therapeutics, Inc.³
Jun 12, 2025Granted 20,000 shares of Spero Therapeutics, Inc.⁴
May 29, 2024Granted 20,000 shares of Spero Therapeutics, Inc.⁵
Oct 5, 2023Granted 20,000 shares of Spero Therapeutics, Inc.⁶
Sep 15, 2022Granted 15,000 shares of Spero Therapeutics, Inc.⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARSpero Therapeutics, Inc., Board member
2
SEC EDGARPARDES BIOSCIENCES, INC., Board member
3
SEC EDGARSpero Therapeutics, Inc. shares after the filing of Jun 23, 2026
4
SEC EDGARForm 4 filed Jun 16, 2025
5
SEC EDGARForm 4 filed May 30, 2024
6
SEC EDGARForm 4 filed Oct 10, 2023
7
SEC EDGARForm 4 filed Sep 19, 2022